Grossly (gastroscopy): lesions were multifocal or diffuse, hyperemia 、edema on mucosa appearing darkly red .Petechial hemorrhage or erosion were seen ,occasionally yellow-white mucous exudate.
Grossly (gastroscopy): lesions were multifocal or diffuse, hyperemia 、edema on mucosa appearing darkly red .Petechial hemorrhage or erosion were seen ,occasionally yellow-white mucous exudate.
肉眼，病变为多灶状或弥漫性，粘膜充血、水肿、深红色，表面有灰白色或灰黄色分泌物，有时伴有点状出血或糜烂。